Use of annellated pyrrole compounds in the treatment of articular cartilage or subchondral bone degeneration
CA 2356099 A1 · Owner: Merckle Gmbh · Inventors: Pelletier, Jean-Pierre; Martel-Pelletier, Johanne
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
48, Treating or preventing degeneration or destruction of articular cartilage and/or, subchondral bone in the affected joint of a mammal is accomplished by administering, a compound of Formula (I): Formel 1, wherein the variables have the meanings given in the present description. A preferred compound of formula (I) is This treatment ameliorates, diminishes actively treats, reverses or prevents, any injury damage or loss of articular cartilage or subchondral bone subsequent to, said early stage of said degeneration. Whether or not a mammal needs such treatment is determined by whether or not it exhibits a statistically significant deviation, from normal standard values in synovial fluid …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed August 30, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 30, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 30, 2023.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.